http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
화재열차가 진입하여 정차하는 지하철 역사에서 제연을 위한 환기장치 운전에 대한 수치해석 연구
이승호(Seung Ho Lee),허남건(Nahmkeon Hur),차철현(Chulhyun Cha),류홍선(Hong Sun Ryou),김동현(Dong Hyeon Kim),장용준(Yong Jun Jang) 대한설비공학회 2009 대한설비공학회 학술발표대회논문집 Vol.2009 No.-
The platform screen door(PSD) is installed in the station of the Seoul Metro 9th line for passengers' safety and comfortable environment of the station. The track way exhaust system(TES) is also operated with PSD to exhaust heat released from train. TES can also be used for the purpose of the heat and smoke control in an emergency case of the carriage fire. When the fire is occurred, operation of TES is switched to the smoke exhaust mode form its normal ventilation mode. In the present study, a subway station of Seoul Metro 9th line is modeled, and a 3-D CFD simulation is performed to investigate effectiveness of designed TES in case of fire. A scenario that a train under fire is arriving the station is simulated for several possible operation modes of the TES using moving mesh technique. As a result, temperature and CO concentration distribution in the station is obtained for each operation modes of TES. The effectiveness of TES operation in case of fire is also discussed.
터널내 열차 화재시 효과적인 구난역 제연 설비를 위한 수치 해석 연구
양성진(Sung-Jin Yang),원찬식(Chan-Shik Won),허남건(Nahmkeon Hur),차철현(Chulhyun Cha) 한국유체기계학회 2006 유체기계 연구개발 발표회 논문집 Vol.- No.-
In designing smoke-control system of rescue station in train tunnel, a purpose is to prevent a disaster by proposing the jet fan operation together with smoke-control curtain in tunnel fire. This study has investigated the relationship of the Heat Release Rate(HRR) and a adequate ventilation velocity to control the fire propagation in tunnel fire, and has improved the effect of the smoke-control curtain on preventing the flow of pollutants. In this study, Computational Fluid Dynamics(CFD) simulations with STAR-CD(ver 3.24) were carried out on predicting the fire spreading and the flow of pollutants, considering jet fan operations and effect of smoke-control curtain. Our simulation domain is the full scale model of the 'DAEGWALLYEONG' 1st tunnel. The results represent that ventilation operation can control the fire spreading and pollutants effectively to prevent a disaster.